プログレッシブ和英中辞典(第4版)の解説
げつめん【月面】
the surface of the moon; the moon's surface
月面に足跡をしるす
walk [leave one's footprints] on the moon's surface
月面基地
a lunar base; a base on the moon
月面車
a moon buggy
月面着陸
a landing on the moon; a lunar [moon] landing
探査機は月面着陸の態勢に入った
The probe has begun its descent to the moon's surface.